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Essential Linear Algebra

$129.95

hardcover, 264 p., Revised Ed., published 2012.

This text introduces linear algebra with an emphasis on concept and theory.  The first third of the text discusses the two main views of linear equations:  linear systems of equations and linear transformations.  The middle third delves into the more abstract with the introduction of subspaces, image and kernel, coimage and cokernel, coordinates, and orthogonal projections.  Determinants are introduced in two and three dimensions first, where the effect of row operations may be easily visualized.  In n-dimensions, determinants are then introduced as anti-symmetric, multilinear mappings appropriately normalized.  Finally, eigenvalues and eigenvectors are introduced, and spectral theory is developed.

SKU: 9780985062736. Category: .

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About the Book

This text introduces linear algebra—boiled to its essence—presented in a clear and concise fashion. Designed around a single-semester undergraduate course, Essential Linear Algebra introduces key concepts, various real-world applications, and provides detailed yet understandable proofs of key results that are aimed towards students with no advanced preparation in proof writing. The level of sophistication gradually increases from beginning to end in order to prepare students for subsequent studies.
We begin with a detailed introduction to systems of linear equations and elementary row operations. We then advance to a discussion of linear transformations, which provide a second, more geometric, interpretation of the operation of matrix-vector product. We go on to introduce vector spaces and their subspaces, the image and kernel of a transformation, and change of coordinates. Following, we discuss matrices of orthogonal projections and orthogonal matrices. Our penultimate chapter is devoted to the theory of determinants, which are presented, first, in terms of area and volume expansion factors of 2×2 and 3×3 matrices, respectively. We use a geometric understanding of volume in n-dimensions to introduce general determinants axiomatically as multilinear, antisymmetric mappings, and prove existence and uniqueness. Our final chapter is devoted to the theory of eigenvalues and eigenvectors. We conclude with a number of discussions on various types of diagonalization: real, complex, and orthogonal.

 

Table of Contents

Chapter 1    Linear Systems

1.1 Linear Geometry
1.2 Modeling and Linear Systems
1.3 Matrix Representation
1.4 Gauss–Jordan Elimination
1.5 Solution Sets for Linear Systems

Chapter 2    Linear Transformations

2.1 Linear Transformations and Matrices
2.2 Matrix Products
2.3 Inverse Matrices

Chapter 3    Vector Spaces

3.1 Vector Spaces and Subspaces
3.2 Linear Independence, Basis, and Dimension
3.3 Image and Kernel of a Linear Transformation
3.4 Coordinates
3.5 Matrix Transpose: Row Space and Column Space

Chapter 4    Orthogonality

4.1 Orthogonal Projections
4.2 The Gram–Schmidt Process
4.3 Orthogonal Transformations and Their Matrices
4.4 Least Squares

Chapter 5    Determinants

5.1 Determinants in Two and Three Dimensions
5.2 Determinants Defined
5.3 The Gram Determinant

Chapter 6    Eigenvalues and Eigenvectors

6.1 Eigenvalues
6.2 Eigenvectors
6.3 Diagonalization
6.4 Complex Eigenvalues and Eigenvectors
6.5 Symmetric Matrices

Additional Information

Weight 1.259 lbs
Dimensions 6.14 x 9.21 x 0.6875 in
ISBN

978-0985062736

format

hardcover

Edition

Revised Edition

publication

December, 2012

pages

xvi + 264.

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